NOTE get the correct version that matches both windows version and bit (32 or 64)
to find the info if you don't know...
Click Start...type in system in the Search box...then click System Information in the Programs list.
When System Summary is selected in the navigation pane, the operating system is displayed as follows:
about 8 rows down
For a 64-bit version operating system: x64-based PC appears for the System type
For a 32-bit version operating system: x86-based PC appears for the System type